Harvesting energy from multiple microbial fuel cells with a high-conversion efficiency power management system

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S1

Harvesting Energy from Multiple Microbial Fuel

Cells with a High Conversion Efficiency Power

Management System

Cong-Long Nguyen

1

_{, Boris Tartakovsky}

2

_{, and Lyne Woodward}

1*

1

_{Department of Electrical Engineering, École de technologie supérieure, Montreal, Canada}

2

_{National Research Council of Canada, 6100 Royalmount Ave, Montreal, QC, H4P 2R2 Canada}

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S2

Figure S1. Laboratory setup.

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S3

A

B

Figure S2. Simulation results of the proposed power management system showing (A)

Switching state of S1 and (B) Switching state of S

S

.

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S4

A

B

C

Figure S3. A - Voltage response of MFC1 and C

1

. B - Voltage response of MFC2 and C

2

. C -

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S5

Table S1. Popular Extreme Low-Power Microcontroller Series

Supply current ( A/MHz)



Manufacturer Chip series Core

(bits) Maximum Speed (MHz) _Sleep mode Active mode Minimum supply voltage (V) STM8L 8 16 0.40 200 1.8 STM32L0 32 32 0.29 87 1.65 STM32L1 32 32 0.3 185 1.8 STM32L4 32 80 0.03 100 1.71 STMicroelectronics STM32L5 32 110 0.02 96 1.71 MSP430-Value line 16 24 1.43 142 1.8 MSP430-Cap Touch 16 16 4.00 120 1.8 MSP430-Sensing 16 16 0.45 120 1.8 Texas Instruments MSP430-Mixed signal 16 25 1.9 290 1.8 8-bit eXtreme LP 8 64 0.72 45 1.6 16-bit eXtreme LP 16 32 0.4 191 2.0 Microchip 32-bit eXtreme LP 32 120 13 280 1.62 ADUCM3029 32 26 0.75 50 1.74 ADUCM3027 32 26 0.75 50 1.74 Analog Devices ADUCM4050 32 52 0.65 82 1.74